Time Difference Between Delhi and Sydney

The time difference between Delhi and Sydney is 4 hours and 30 minutes. When it is 12:00 noon in Delhi, it is 16:30 in Sydney. Delhi uses the Asia/Kolkata time zone (UTC+5:30), while Sydney uses Australia/Sydney (UTC+10).

Sydney is 4 hours and 30 minutes ahead of Delhi — 4 hours and 30 minutes
Delhi, India
06:15:40
Monday, May 11, 2026
UTC+5:30 · IST
Sydney, Australia
10:45:40
Monday, May 11, 2026
UTC+10 · AEST

Time Zone Details: Delhi vs Sydney

Detail Delhi Sydney
Time Zone IDAsia/KolkataAustralia/Sydney
UTC OffsetUTC+5:30UTC+10
AbbreviationISTAEST
DST ActiveNoNo
CountryIndiaAustralia
RegionAsiaOceania

Best Time to Schedule a Call

There are 3 overlapping business hours between Delhi and Sydney (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

09:00–12:30 in Delhi  =  13:30–17:00 in Sydney

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Delhi time to Sydney time. Rows highlighted in green indicate overlapping business hours in both cities.

Delhi Sydney
00:00 04:30 Night
01:00 05:30 Night
02:00 06:30 Night
03:00 07:30 Night
04:00 08:30 Night
05:00 09:30 Night
06:00 10:30
07:00 11:30
08:00 12:30
09:00 13:30 Overlap
10:00 14:30 Overlap
11:00 15:30 Overlap
12:00 16:30 Overlap
13:00 17:30
14:00 18:30
15:00 19:30
16:00 20:30
17:00 21:30
18:00 22:30
19:00 23:30
20:00 00:30 (+1 day)
21:00 01:30 (+1 day)
22:00 02:30 (+1 day) Night
23:00 03:30 (+1 day) Night

Daylight Saving Time (DST) Impact

Neither Delhi nor Sydney is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Delhi–Sydney Scheduling

Compare Delhi and Sydney with Other Cities

From Delhi

From Sydney

Frequently Asked Questions

What is the time difference between Delhi and Sydney?

The time difference is 4 hours and 30 minutes. Sydney is 4 hours and 30 minutes ahead of Delhi.

Does the time difference change during the year?

It can. If either Delhi or Sydney observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Delhi to Sydney?

The best window is between 09:00 and 12:30 Delhi time, which corresponds to 13:30–17:00 in Sydney. Both sides fall within normal business hours.

How do I convert Delhi time to Sydney time?

Add 4 hours and 30 minutes to Delhi time to get Sydney time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.